Patents by Inventor Matthew J. McArdle

Matthew J. McArdle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for reducing material
    Patent number: 5941467
    Abstract: A pulverizing system for reducing the size of material including a body, a pair of rotating members at least partially disposed within said body, and at least one impeller arm attached to each of said rotating members. The impeller arm attached to one of the rotating member throws material into a substantially head-on collision with material thrown by the impeller arm attached to the other rotating member.
    Type: Grant
    Filed: September 10, 1997
    Date of Patent: August 24, 1999
    Inventors: Matthew J. McArdle, Robert A. Paul